Weather Records on 9 August 1998

969 weather records were set or tied worldwide on 9 August 1998. Highest significance: Winona, US.

Key Facts for 9 August 1998

On 9 August 1998, 969 weather records were set or tied at long-record stations worldwide.
588 were record highs and 121 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 40 monthly and 922 daily.
Winona set a daily record precipitation of 86.4 mm (3.4 in) on 9 August 1998.
Across 156 earlier years (1798 to 2026) the same calendar date averaged 471 records.

Record Map

969 stations

969 station records on 9 August 1998 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 August 1998: highest significance records shown on the map
Station	Country	Type	Value	Significance
Winona	United States	Record daily precipitation	86.4 mm (3.4 in)	76 of 100 (Major)
Chappells 2 NNW	United States	Record daily precipitation	96.5 mm (3.8 in)	71 of 100 (Major)
Hanover	United States	Record high minimum temperature	23.9 C (75.0 F)	62 of 100 (Major)
Charlottesville 2W	United States	Record daily precipitation	91.4 mm (3.6 in)	56 of 100 (Notable)
McKinley Park	United States	Record daily precipitation	34.5 mm (1.4 in)	56 of 100 (Notable)
Monte Alegre de Minas	Brazil	Record daily precipitation	34.1 mm (1.3 in)	53 of 100 (Notable)
Monte Carmelo	Brazil	Record daily precipitation	50.0 mm (2.0 in)	52 of 100 (Notable)
Joao Pessoa	Brazil	Record daily precipitation	116.1 mm (4.6 in)	52 of 100 (Notable)
Nicosia	Cyprus	Record high maximum temperature	43.6 C (110.5 F)	52 of 100 (Notable)
Newnan 7 WNW	United States	Record daily precipitation	70.1 mm (2.8 in)	52 of 100 (Notable)
Irai de Minas	Brazil	Record daily precipitation	45.6 mm (1.8 in)	51 of 100 (Notable)
Monmouth	United States	Record daily precipitation	116.1 mm (4.6 in)	51 of 100 (Notable)
Hawkinsville	United States	Record daily precipitation	56.4 mm (2.2 in)	50 of 100 (Notable)
McKeesport	United States	Record daily precipitation	47.5 mm (1.9 in)	50 of 100 (Notable)
Bragin	Belarus	Record daily precipitation	35.8 mm (1.4 in)	49 of 100 (Notable)
Bradford 4SW Rsch 5	United States	Record daily precipitation	65.0 mm (2.6 in)	49 of 100 (Notable)
Bet Dagan	Israel	Record high maximum temperature	36.7 C (98.1 F)	48 of 100 (Notable)
Narjan Mar	Russia	Record daily precipitation	29.2 mm (1.1 in)	48 of 100 (Notable)
Concord 4 SSW	United States	Record daily precipitation	82.6 mm (3.3 in)	48 of 100 (Notable)
Floyd 2 NE	United States	Record daily precipitation	61.0 mm (2.4 in)	48 of 100 (Notable)
Santana de Patos	Brazil	Record daily precipitation	28.4 mm (1.1 in)	47 of 100 (Notable)
Wandering Comparison	Australia	Record high maximum temperature	23.5 C (74.3 F)	46 of 100 (Notable)
Nicosia	Cyprus	Record high minimum temperature	27.3 C (81.1 F)	46 of 100 (Notable)
Lijing	China	Record daily precipitation	58.5 mm (2.3 in)	44 of 100 (Notable)
Seal Rocks Camping Reserve	Australia	Record daily precipitation	65.0 mm (2.6 in)	43 of 100 (Notable)
Zharkent	Kazakhstan	Record high minimum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record high minimum temperature	11.3 C (52.3 F)	42 of 100 (Notable)
Embry	United States	Record daily precipitation	51.1 mm (2.0 in)	41 of 100 (Notable)
Lewiston	United States	Record high maximum temperature	34.4 C (93.9 F)	41 of 100 (Notable)
Dublin Phoenix Park	Ireland	Record high maximum temperature	26.0 C (78.8 F)	40 of 100 (Notable)
Bordeaux-Merignac	France	Record high maximum temperature	38.8 C (101.8 F)	40 of 100 (Notable)
Seligman	United States	Record high minimum temperature	20.0 C (68.0 F)	40 of 100 (Notable)
Forsyth 6 NNW	United States	Record daily precipitation	55.1 mm (2.2 in)	40 of 100 (Notable)
Mt Vernon 3 NE	United States	Record low maximum temperature	23.3 C (73.9 F)	40 of 100 (Notable)
Charlevoix	United States	Record high minimum temperature	21.1 C (70.0 F)	40 of 100 (Notable)
Katanning Comparison	Australia	Record high maximum temperature	22.0 C (71.6 F)	39 of 100 (Notable)
Montague 4 NW	United States	Record high minimum temperature	21.7 C (71.1 F)	39 of 100 (Notable)
Segen-Kyuel	Russia	Record daily precipitation	41.6 mm (1.6 in)	38 of 100 (Notable)
Meadows of Dan 5 SW	United States	Record daily precipitation	76.2 mm (3.0 in)	38 of 100 (Notable)
Bridgetown Comparison	Australia	Record high maximum temperature	22.0 C (71.6 F)	37 of 100 (Notable)
Narrogin	Australia	Record high maximum temperature	21.7 C (71.1 F)	37 of 100 (Notable)
Usina Parauna	Brazil	Record daily precipitation	48.9 mm (1.9 in)	37 of 100 (Notable)
Whitefish Pt	United States	Record high minimum temperature	19.4 C (66.9 F)	37 of 100 (Notable)
Big Meadows	United States	Record daily precipitation	65.3 mm (2.6 in)	37 of 100 (Notable)
Harrison Boone Co AP	United States	Record daily precipitation	60.2 mm (2.4 in)	37 of 100 (Notable)
Estrela Do Sul	Brazil	Record daily precipitation	44.2 mm (1.7 in)	36 of 100 (Notable)
Tara	Russia	Record high minimum temperature	21.3 C (70.3 F)	35 of 100 (Notable)
Salitre	Brazil	Record daily precipitation	30.1 mm (1.2 in)	34 of 100 (Routine)
Ocozocoautla	Mexico	Record low minimum temperature	11.1 C (52.0 F)	34 of 100 (Routine)
Lake Alfred Exp STN	United States	Record low minimum temperature	18.3 C (64.9 F)	34 of 100 (Routine)
Tel Aviv Reading	Israel	Record high minimum temperature	28.2 C (82.8 F)	33 of 100 (Routine)
Enisejsk	Russia	Record high maximum temperature	29.7 C (85.5 F)	33 of 100 (Routine)
Kara-Tjurek	Russia	Record high minimum temperature	13.1 C (55.6 F)	33 of 100 (Routine)
Eastport	United States	Record high maximum temperature	32.8 C (91.0 F)	33 of 100 (Routine)
Buchanan	United States	Record high minimum temperature	21.1 C (70.0 F)	33 of 100 (Routine)
Lithgow (Newnes Forest Centre)	Australia	Record daily precipitation	38.0 mm (1.5 in)	32 of 100 (Routine)
Klichev	Belarus	Record daily precipitation	28.7 mm (1.1 in)	32 of 100 (Routine)
Carmo Do Paranaiba	Brazil	Record daily precipitation	52.8 mm (2.1 in)	32 of 100 (Routine)
Hamilton	United States	Record daily precipitation	62.2 mm (2.4 in)	32 of 100 (Routine)
Dwtn Charleston	United States	Record high minimum temperature	27.2 C (81.0 F)	32 of 100 (Routine)

Counts by Type and Timescale

969 records

Records set or tied on 9 August 1998 by type: Highest daily maximum 282, Lowest daily maximum 59, Highest daily minimum 306, Lowest daily minimum 62, Heaviest daily rainfall 260.

Records on 9 August 1998 by type
Record type	Records
Highest daily maximum	282
Lowest daily maximum	59
Highest daily minimum	306
Lowest daily minimum	62
Heaviest daily rainfall	260
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 9 August 1998 by timescale: all-time 7, monthly 40, daily 922.

How Much Records Were Beaten By

745 broken records

Margins by which the 745 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 68.0. Ties are not counted.

Top 20 by Significance

9 August 1998

Top 20 records on 9 August 1998 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 August 1998	Winona, US	daily rain	86.4 mm (3.4 in)	50.1 mm (2.0 in)	93 years	76 of 100 (Major)
9 August 1998	Chappells 2 NNW, US	daily rain	96.5 mm (3.8 in)	60.9 mm (2.4 in)	89 years	71 of 100 (Major)
9 August 1998	Hanover, US	all-time high min	23.9 C (75.0 F)	1.1 C (2.0 F)	101 years	62 of 100 (Major)
9 August 1998	Charlottesville 2W, US	daily rain	91.4 mm (3.6 in)	35.3 mm (1.4 in)	80 years	56 of 100 (Notable)
9 August 1998	McKinley Park, US	daily rain	34.5 mm (1.4 in)	19.3 mm (0.8 in)	67 years	56 of 100 (Notable)
9 August 1998	Monte Alegre de Minas, BR	daily rain	34.1 mm (1.3 in)	32.2 mm (1.3 in)	29 years	53 of 100 (Notable)
9 August 1998	Monte Carmelo, BR	monthly rain	50.0 mm (2.0 in)	24.0 mm (0.9 in)	21 years	52 of 100 (Notable)
9 August 1998	Joao Pessoa, BR	monthly rain	116.1 mm (4.6 in)	17.9 mm (0.7 in)	58 years	52 of 100 (Notable)
9 August 1998	Nicosia, CY	daily high max	43.6 C (110.5 F)	3.0 C (5.4 F)	107 years	52 of 100 (Notable)
9 August 1998	Newnan 7 WNW, US	daily rain	70.1 mm (2.8 in)	34.3 mm (1.4 in)	61 years	52 of 100 (Notable)
9 August 1998	Irai de Minas, BR	daily rain	45.6 mm (1.8 in)	44.1 mm (1.7 in)	29 years	51 of 100 (Notable)
9 August 1998	Monmouth, US	daily rain	116.1 mm (4.6 in)	49.6 mm (2.0 in)	28 years	51 of 100 (Notable)
9 August 1998	Hawkinsville, US	daily rain	56.4 mm (2.2 in)	20.8 mm (0.8 in)	88 years	50 of 100 (Notable)
9 August 1998	McKeesport, US	daily rain	47.5 mm (1.9 in)	34.0 mm (1.3 in)	44 years	50 of 100 (Notable)
9 August 1998	Bragin, BY	daily rain	35.8 mm (1.4 in)	26.9 mm (1.1 in)	20 years	49 of 100 (Notable)
9 August 1998	Bradford 4SW Rsch 5, US	daily rain	65.0 mm (2.6 in)	34.0 mm (1.3 in)	44 years	49 of 100 (Notable)
9 August 1998	Bet Dagan, IL	daily high max	36.7 C (98.1 F)	3.5 C (6.3 F)	36 years	48 of 100 (Notable)
9 August 1998	Narjan Mar, RU	daily rain	29.2 mm (1.1 in)	9.8 mm (0.39 in)	68 years	48 of 100 (Notable)
9 August 1998	Concord 4 SSW, US	daily rain	82.6 mm (3.3 in)	58.0 mm (2.3 in)	16 years	48 of 100 (Notable)
9 August 1998	Floyd 2 NE, US	daily rain	61.0 mm (2.4 in)	36.9 mm (1.5 in)	56 years	48 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1798 to 1998

Records set or tied on this calendar date in each year from 1798 to 1998. 1998 had 969 records.

Counts for years before the ledger starts come from the same station rules.

Records on 08-09 in each year
Year	Records
1798	2
1800	1
1838	1
1845	3
1856	1
1859	3
1861	1
1863	2
1868	1
1870	1
1871	1
1873	1
1875	1
1878	1
1881	3
1884	2
1886	1
1887	1
1888	1
1889	1
1890	1
1891	4
1892	4
1893	3
1894	3
1895	1
1896	3
1897	7
1898	12
1899	4
1900	8
1901	3
1902	3
1903	6
1904	9
1905	5
1906	15
1907	9
1908	9
1909	51
1910	16
1911	44
1912	47
1913	76
1914	21
1915	61
1916	37
1917	46
1918	210
1919	49
1920	289
1921	36
1922	70
1923	73
1924	143
1925	307
1926	142
1927	391
1928	220
1929	127
1930	570
1931	399
1932	194
1933	250
1934	654
1935	587
1936	519
1937	351
1938	379
1939	480
1940	455
1941	372
1942	527
1943	366
1944	647
1945	365
1946	307
1947	544
1948	440
1949	715
1950	407
1951	405
1952	317
1953	363
1954	377
1955	433
1956	278
1957	347
1958	417
1959	453
1960	459
1961	347
1962	636
1963	500
1964	755
1965	632
1966	568
1967	457
1968	1,037
1969	527
1970	751
1971	543
1972	1,089
1973	547
1974	660
1975	790
1976	883
1977	453
1978	784
1979	630
1980	945
1981	941
1982	935
1983	839
1984	683
1985	714
1986	509
1987	927
1988	625
1989	2,082
1990	799
1991	988
1992	1,699
1993	702
1994	1,097
1995	1,417
1996	864
1997	1,446
1998	969
1999	1,370
2000	1,237
2001	1,485
2002	1,167
2003	1,344
2004	941
2005	1,001
2006	828
2007	1,687
2008	667
2009	1,028
2010	1,393
2011	1,177
2012	843
2013	761
2014	531
2015	595
2016	634
2017	773
2018	972
2019	717
2020	643
2021	523
2022	793
2023	820
2024	952
2025	799
2026	1,019

Download the Data

Data for records on 1998-08-09: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	664
10 to 20	43
20 to 30	20
30 to 40	9
40 to 50	4
50 to 60	3
60 to 70	2